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Population in Bangladesh compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Bangladesh was 175,686,899 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Bangladesh's population is 178,936,470 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Bangladesh's population is 19.7 times bigger than Sierra Leone's.
  • Bangladesh is ranked the 8th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 2.26% of the world: 2.15% for Bangladesh vs 0.11% for Sierra Leone.
  • For the last 10 years, Bangladesh has had an average growth rate of +0.97% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Bangladesh has increased from 146M people to 179M (22.2% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Bangladesh vs Sierra Leone: population by year and forecast

Bangladesh
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Bangladesh Sierra Leone
2100 210,401,264 16,107,087
2099 211,451,904 16,121,940
2098 212,482,204 16,135,035
2097 213,486,272 16,149,905
2096 214,465,968 16,160,672
2095 215,426,907 16,169,304
2094 216,370,356 16,168,902
2093 217,275,808 16,173,609
2092 218,153,712 16,170,778
2091 218,982,674 16,163,901
2090 219,784,878 16,154,165
2089 220,540,401 16,142,526
2088 221,259,520 16,128,775
2087 221,938,165 16,112,585
2086 222,588,012 16,085,549
2085 223,185,997 16,064,212
2084 223,744,949 16,040,563
2083 224,275,716 16,006,923
2082 224,766,094 15,970,872
2081 225,240,154 15,930,880
2080 225,667,518 15,892,665
2079 226,061,595 15,850,728
2078 226,391,523 15,801,450
2077 226,699,126 15,750,408
2076 226,957,140 15,695,310
2075 227,161,614 15,635,345
2074 227,317,797 15,580,279
2073 227,438,605 15,512,655
2072 227,505,726 15,442,481
2071 227,524,423 15,370,747
2070 227,497,506 15,293,426
2069 227,428,570 15,212,664
2068 227,305,014 15,124,069
2067 227,121,107 15,028,190
2066 226,880,763 14,931,295
2065 226,584,072 14,833,794
2064 226,238,210 14,736,872
2063 225,824,534 14,638,180
2062 225,352,036 14,525,736
2061 224,813,409 14,420,068
2060 224,219,163 14,307,451
2059 223,571,928 14,194,972
2058 222,858,175 14,077,124
2057 222,085,438 13,957,197
2056 221,276,251 13,832,494
2055 220,407,778 13,702,508
2054 219,514,298 13,576,231
2053 218,569,959 13,440,929
2052 217,587,835 13,299,910
2051 216,556,487 13,152,910
2050 215,492,158 13,006,688
2049 214,402,257 12,863,637
2048 213,277,451 12,712,671
2047 212,116,827 12,566,944
2046 210,921,144 12,411,042
2045 209,698,915 12,254,651
2044 208,449,015 12,088,895
2043 207,172,388 11,928,393
2042 205,861,265 11,767,372
2041 204,515,400 11,599,942
2040 203,145,429 11,428,331
2039 201,737,174 11,259,845
2038 200,264,237 11,097,180
2037 198,741,429 10,928,754
2036 197,150,036 10,757,928
2035 195,501,296 10,582,918
2034 193,791,174 10,411,088
2033 191,991,968 10,238,503
2032 190,143,732 10,059,929
2031 188,210,205 9,881,109
2030 186,214,224 9,705,485
2029 184,170,034 9,529,493
2028 182,089,419 9,358,412
2027 179,975,298 9,177,288
2026 177,839,282 8,998,902
2025 175,686,899 8,819,794
2024 173,562,364 8,642,022
2023 171,466,990 8,460,512
2022 169,384,897 8,276,807
2021 167,658,854 8,094,602
2020 166,298,024 7,912,558
2019 164,913,055 7,731,991
2018 163,523,103 7,554,563
2017 162,186,147 7,379,299
2016 160,811,932 7,205,328
2015 159,383,179 7,037,655
2014 157,964,929 6,876,385
2013 156,532,141 6,714,051
2012 155,070,101 6,551,080
2011 153,591,076 6,387,251
2010 152,201,981 6,222,714
2009 150,873,714 6,055,646
2008 149,474,264 5,894,722
2007 147,989,278 5,749,352
2006 146,405,973 5,624,466
2005 144,715,786 5,501,712
2004 142,902,856 5,355,717
2003 140,970,351 5,177,687
2002 138,933,658 4,971,435
2001 136,805,810 4,692,716
2000 134,544,304 4,423,611
1999 132,108,065 4,318,043
1998 129,622,332 4,295,785
1997 127,198,069 4,253,716
1996 124,862,179 4,199,210
1995 122,600,370 4,179,179
1994 120,343,179 4,173,105
1993 118,132,360 4,157,130
1992 115,952,192 4,166,366
1991 113,787,109 4,246,267
1990 111,633,717 4,196,828
1989 109,433,799 4,034,037
1988 107,216,008 3,934,517
1987 104,959,291 3,829,718
1986 102,635,572 3,728,380
1985 100,253,825 3,638,438
1984 97,814,966 3,558,758
1983 95,335,155 3,481,646
1982 92,814,507 3,408,183
1981 90,303,105 3,338,940
1980 88,016,432 3,272,089
1979 85,935,072 3,207,499
1978 83,889,655 3,145,517
1977 81,867,264 3,085,354
1976 79,855,318 3,028,820
1975 77,854,351 2,974,657
1974 75,839,348 2,920,459
1973 73,722,294 2,866,955
1972 71,641,519 2,814,388
1971 70,276,758 2,763,222
1970 69,058,894 2,712,286
1969 67,294,133 2,661,365
1968 65,408,276 2,611,532
1967 63,510,929 2,562,384
1966 61,669,806 2,514,638
1965 59,902,519 2,468,666
1964 58,178,374 2,424,390
1963 56,504,402 2,382,258
1962 54,881,146 2,342,242
1961 53,310,348 2,304,227
1960 51,828,660 2,268,356

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

From 2006 to 2016, the population of Bangladesh increased by 14,405,959 people (a 9.84% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Bangladesh gained 18,124,538 people (a 11.3% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Bangladesh was ranked 8th most populous country in 2006 and is still 8th in 2026. Sierra Leone was ranked 105th in 2006 and ranked 100th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Bangladesh's population will grow by 20.4% to 215,492,158 people with a rank change from 8th to 10th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Bangladesh is projected to reach its peak in 2071 at 228M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Bangladesh
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Bangladesh Sierra Leone
2100 -0.5% -0.09%
2099 -0.48% -0.08%
2098 -0.47% -0.09%
2097 -0.46% -0.07%
2096 -0.45% -0.05%
2095 -0.44% 0.002%
2094 -0.42% -0.03%
2093 -0.4% 0.02%
2092 -0.38% 0.04%
2091 -0.36% 0.06%
2090 -0.34% 0.07%
2089 -0.33% 0.09%
2088 -0.31% 0.1%
2087 -0.29% 0.17%
2086 -0.27% 0.13%
2085 -0.25% 0.15%
2084 -0.24% 0.21%
2083 -0.22% 0.23%
2082 -0.21% 0.25%
2081 -0.19% 0.24%
2080 -0.17% 0.26%
2079 -0.15% 0.31%
2078 -0.14% 0.32%
2077 -0.11% 0.35%
2076 -0.09% 0.38%
2075 -0.07% 0.35%
2074 -0.05% 0.44%
2073 -0.03% 0.45%
2072 -0.008% 0.47%
2071 0.01% 0.51%
2070 0.03% 0.53%
2069 0.05% 0.59%
2068 0.08% 0.64%
2067 0.11% 0.65%
2066 0.13% 0.66%
2065 0.15% 0.66%
2064 0.18% 0.67%
2063 0.21% 0.77%
2062 0.24% 0.73%
2061 0.27% 0.79%
2060 0.29% 0.79%
2059 0.32% 0.84%
2058 0.35% 0.86%
2057 0.37% 0.9%
2056 0.39% 0.95%
2055 0.41% 0.93%
2054 0.43% 1.01%
2053 0.45% 1.06%
2052 0.48% 1.12%
2051 0.49% 1.12%
2050 0.51% 1.11%
2049 0.53% 1.19%
2048 0.55% 1.16%
2047 0.57% 1.26%
2046 0.58% 1.28%
2045 0.6% 1.37%
2044 0.62% 1.35%
2043 0.64% 1.37%
2042 0.66% 1.44%
2041 0.67% 1.5%
2040 0.7% 1.5%
2039 0.74% 1.47%
2038 0.77% 1.54%
2037 0.81% 1.59%
2036 0.84% 1.65%
2035 0.88% 1.65%
2034 0.94% 1.69%
2033 0.97% 1.78%
2032 1.03% 1.81%
2031 1.07% 1.81%
2030 1.11% 1.85%
2029 1.14% 1.83%
2028 1.17% 1.97%
2027 1.2% 1.98%
2026 1.23% 2.03%
2025 1.22% 2.06%
2024 1.22% 2.15%
2023 1.23% 2.22%
2022 1.03% 2.25%
2021 0.82% 2.3%
2020 0.84% 2.34%
2019 0.85% 2.35%
2018 0.82% 2.38%
2017 0.85% 2.41%
2016 0.9% 2.38%
2015 0.9% 2.35%
2014 0.92% 2.42%
2013 0.94% 2.49%
2012 0.96% 2.56%
2011 0.91% 2.64%
2010 0.88% 2.76%
2009 0.94% 2.73%
2008 1% 2.53%
2007 1.08% 2.22%
2006 1.17% 2.23%
2005 1.27% 2.73%
2004 1.37% 3.44%
2003 1.47% 4.15%
2002 1.56% 5.94%
2001 1.68% 6.08%
2000 1.84% 2.44%
1999 1.92% 0.52%
1998 1.91% 0.99%
1997 1.87% 1.3%
1996 1.84% 0.48%
1995 1.88% 0.15%
1994 1.87% 0.38%
1993 1.88% -0.22%
1992 1.9% -1.88%
1991 1.93% 1.18%
1990 2.01% 4.04%
1989 2.07% 2.53%
1988 2.15% 2.74%
1987 2.26% 2.72%
1986 2.38% 2.47%
1985 2.49% 2.24%
1984 2.6% 2.21%
1983 2.72% 2.16%
1982 2.78% 2.07%
1981 2.6% 2.04%
1980 2.42% 2.01%
1979 2.44% 1.97%
1978 2.47% 1.95%
1977 2.52% 1.87%
1976 2.57% 1.82%
1975 2.66% 1.86%
1974 2.87% 1.87%
1973 2.9% 1.87%
1972 1.94% 1.85%
1971 1.76% 1.88%
1970 2.62% 1.91%
1969 2.88% 1.91%
1968 2.99% 1.92%
1967 2.99% 1.9%
1966 2.95% 1.86%
1965 2.96% 1.83%
1964 2.96% 1.77%
1963 2.96% 1.71%
1962 2.95% 1.65%
1961 2.86% 1.58%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

In 2025, the population of Bangladesh grew by 1.22%, while Sierra Leone's population grew by 2.06%.

Live population counters

Bangladesh Sierra Leone
Current population
178936470
9090531
Population rank 8/197 100/197
Percent of world population 2.15% 0.11%
One net population change
14.9 seconds
2.96 minutes
One birth every
9.09 seconds
2.02 minutes
One death every
35.6 seconds
7.41 minutes
Daily growth/decline +5,821 +487
Annual growth/decline +2,124,535 +177,772
Annual growth/decline rate +1.22% +2.06%
Population growth rate rank 84/197 47/197
One migration net change every
1.31 minutes
46.6 minutes
Annual migration change -402,100 -11,309
Net migration rank 194/196 136/196
Foreign-born residents 2,906,338 49,997
Foreign-born residents rank 24/195 151/195
Foreign-born share of population 1.7% 0.6%
Foreign-born share rank 139/195 174/195

Natural population change vs migration

Bangladesh
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Bangladesh Sierra Leone
Natural Migration Natural Migration
2025 - -402,100 - -11,309
2024 2,583,129 -473,362 189,234 -11,000
2023 2,630,818 -549,918 188,788 -4,000
2022 2,633,258 -549,990 186,625 -4,000
2021 2,363,487 -994,722 183,326 -1,544
2020 2,355,279 -1,002,522 181,015 1,292
2019 2,433,952 -1,016,796 181,068 -2,238
2018 2,391,853 -1,029,069 178,772 -2,741
2017 2,348,293 -1,037,176 173,259 1,234
2016 2,356,056 -918,770 168,784 4,657
2015 2,329,544 -909,223 162,275 -356
2014 2,305,499 -889,222 160,137 485
2013 2,312,293 -862,944 161,265 2,773
2012 2,304,652 -829,875 160,915 988
2011 2,332,126 -848,910 158,858 6,895
2010 2,408,597 -1,113,727 155,338 7,983
2009 2,511,746 -1,150,194 152,669 18,145
2008 2,595,770 -1,158,420 149,855 1,182
2007 2,666,175 -1,133,553 145,740 -6,042
2006 2,725,786 -1,091,865 144,127 -34,052
2005 2,783,029 -1,036,635 137,234 -1,805
2004 2,849,626 -970,264 132,661 23,897
2003 2,881,857 -896,335 130,312 69,185
2002 2,907,604 -819,909 126,429 86,578
2001 2,905,755 -737,740 116,647 227,791
2000 2,867,543 -512,422 110,754 83,013
1999 2,803,597 -286,256 102,295 -84,926
1998 2,740,993 -286,966 103,906 -76,766
1997 2,667,979 -273,442 105,433 -48,437
1996 2,531,581 -254,239 104,140 -52,110
1995 2,477,509 -231,304 100,885 -112,857
1994 2,475,098 -206,958 101,486 -77,371
1993 2,425,139 -271,677 103,317 -95,476
1992 2,453,664 -246,914 103,251 -129,565
1991 2,354,255 -230,852 105,477 -238,965
1990 2,587,558 -404,105 100,778 131,587
1989 2,623,347 -406,910 98,298 -5,079
1988 2,614,570 -395,408 96,344 9,470
1987 2,661,768 -367,475 94,235 9,558
1986 2,685,152 -331,992 90,902 7,992
1985 2,698,231 -287,872 88,869 -7,873
1984 2,713,094 -245,693 87,072 -8,708
1983 2,694,172 -201,909 84,628 -8,783
1982 2,705,822 -156,729 82,457 -11,379
1981 2,658,613 -184,884 80,111 -12,699
1980 2,615,497 -515,918 77,932 -11,641
1979 2,570,404 -507,354 75,992 -13,095
1978 2,514,509 -486,721 74,130 -13,073
1977 2,475,502 -458,491 71,663 -12,399
1976 2,431,754 -424,970 69,506 -15,686
1975 2,385,302 -390,212 67,560 -13,058
1974 2,312,418 -277,545 65,357 -11,473
1973 2,276,471 -77,324 62,443 -9,322
1972 2,231,204 -269,033 60,279 -8,267
1971 542,747 224,369 58,484 -8,162
1970 1,742,287 -73,719 56,513 -4,957
1969 1,985,984 -125,010 54,768 -4,485
1968 1,918,686 -7,970 53,126 -3,743
1967 1,860,743 23,164 51,734 -2,819
1966 1,794,530 3,758 49,486 -2,911
1965 1,688,652 47,610 47,223 -1,851
1964 1,686,591 25,426 45,487 -2,308
1963 1,612,749 23,215 43,569 -2,480
1962 1,584,035 26,533 41,603 -2,658
1961 1,504,524 26,503 40,022 -2,947
1960 1,418,810 13,580 38,192 -3,528

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

Over the last 10 years, 74.2% of the population change in Bangladesh is from natural causes (a gain of 24,425,669 people) and 25.8% is from migration (a loss of 8,481,548 people). In Sierra Leone 99% is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people).

As of 2024, 2,906,338 residents or 1.7% of the population were not native-born in Bangladesh, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Bangladesh
City Population
Dhaka 16.8M
Chittagong 3.23M
Narayanganj 968K
Khulna 929K
Sylhet 480K
Rajshahi 448K
Bogra 401K
Barisal 328K
Rangpur 294K
Brahmanbaria 268K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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